Home / 4,135.28-6,202.95-1,213.64

Finding the Fourth Proportional to 4,135.28, 6,202.95 and 1,213.64

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Solution

The fourth proportional to 4,135.28, 6,202.95 and 1,213.64 is: 1,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.28 : 6,202.95 = 1,213.64 : x
  2. Step 2: Convert to fraction form
    4,135.28/6,202.95 = 1,213.64/x
  3. Step 3: Cross multiply
    4,135.28x = 6,202.95 × 1,213.64
  4. Step 4: Simplify right side
    4,135.28x = 7,528,117.22
  5. Step 5: Solve for x
    x = 7,528,117.22/4,135.28
  6. Step 6: Final answer
    x = 1,820.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.